A BOTANICAL GLOSSARY. 321 



INVOLUTE, a term applied to leaves, when rolled inward. 

 INTEGUMENT, a covering, an envelop. 



JAGGED, irregularity, divided and subdivided. 

 JOINTS, knots or rings in culms, pods, leaves, &c. 



LANCEOLATE, spear-shape, narrow, with both ends acute. 

 LEAFLET, a partial leaf, part of a compound leaf. 

 LEAF-STALK, petiole. 

 LEGUME, a pod; applied to the fruit of leguminous plants, such as 



the Pea. 



LILIACEOUS, corolla, with six petals starting from the base. 

 LINEAR, narrow, with parallel sides, as in most grasses. 

 LIP, the under petal in a labiate corolla. 

 LOBE, large division, or distinct portion of a leaf or petal. 

 LUNATE, crescent-shaped, like a half moon. 



LYRATE, lyre-shaped; cut into many transverse segments, larger 

 extremity of the leaf, which is rounded. 



MEMBRANOUS, in texture like a membrane, soft and supple. 

 MULTIFID, cut into three, four, five, or more narrow divisions. 

 MULTIFLOROUS, many flowered. 

 MURICATED, covered with sharp points. 



NARCOTIC, having the power of producing sleep, as Opium. 

 NECTARY, that part of a flower which produces the honey. 



OBOVATE, egg-shaped, with the narrow end towards the stem, or 

 place of insertion. 



OBTUSE, blunt, rounded, not acute. 



OFFICINALIS, such plants as are kept for sale, as medicines, 

 esculent herbs, &c. 



OPPOSITE, standing against each other on opposite sides of the 

 stem. 



OVAL, having the figure of an ellipse. 



OVARY, that portion of the pistil which contains the ovicles, 



OVATE, shaped like an egg cut lengthwise. 



OVULES, little eggs ; the rudiments of fruit or seed before its fer- 

 tilization. 



